Script I found (forgot where), which helps exporting everything from cloudapp.

gistfile1.rb

#!/usr/bin/env ruby

# A quick script to download all your files from CloudApp.
# To run this just run the script passing your e-mail & password
# to the script, for example:
#
#    gem install cloudapp_api
#    ruby cloudapp-export.rb [email protected] mypassword
#

EMAIL_ADDRESS = ARGV[0]
PASSWORD      = ARGV[1]
ROOT          = File.expand_path('../cloudapp-export', __FILE__)
PER_PAGE      = 50

require 'fileutils'
require 'cloudapp_api'

CloudApp.authenticate(EMAIL_ADDRESS, PASSWORD)

FileUtils.mkdir_p(ROOT)
returned_drops = nil
page = 1
until returned_drops && returned_drops < PER_PAGE
  drops = CloudApp::Drop.all(:per_page => PER_PAGE, :page => page)
  puts "Getting Page: #{page}"
  for drop in drops
    time = Time.parse(drop.created_at)
    directory = File.join(ROOT, time.year.to_s, time.month.to_s, time.day.to_s)
    FileUtils.mkdir_p(directory)
    path = File.join(directory, drop.name)
    if File.exist?(path)
      puts " -> Skipping #{drop.name} (it already exists)"
    else
      puts " -> Downloading #{drop.name}"
      File.open(path, 'w') { |f| f.write(drop.raw) }
    end
  end
  page += 1
  returned_drops = drops.size
end